Matematika

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11,12,dan 13 tolongi kakak2 yg pintar mtk. thank
11,12,dan 13 tolongi kakak2 yg pintar mtk. thank

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  • 11.Luas alas=3,14x5cmx5cm=78,5cm
    Volume=78,5cmx16cm=C.1256cm

    12.80cmx80cm=6400cm
    1/2x80x50x4=8000cm
    Luas total=6400cm+8000cm=D.14.400cm

    13.a

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